Time-averaged Hydrodynamic Pressure and Experimental Study of Energy Dissipater with Step-down Floor in the Impact Area
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Abstract:
The plane turbulent jet theory was used to partition the flow regime in the stilling pool of the energy dissipater with step-down floor and analyze the flow structure of the impact area. Based on the principle of potential energy converting into kinetic energy, the empirical formula of time-averaged hydrodynamic pressure of the energy dissipater with step-down floor in the impact area was derived using the mathematical method of coordinate transformation. The reliability of the formula was verified by the hydraulic model experiments. The variations of the flow pressure of the energy dissipater with the step-down floor were analyzed with the variations of the incident energy, incident angle, and –drop sill depth.
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